Directional Bias For The Day: S&P Futures are higher; moved higher at 2:30 AM Retreating from a resistance zone around 2683.00 level Odds are for an up day with good likelihood of sideways move from pre-open level – watch for break above 2683.00 and below 2677.00 for clarity Key economic data due: PPI ( 0.1% vs. 0.2% est.)…